Home / 36,668.18-55,001.81-11,707.91

Finding the Fourth Proportional to 36,668.18, 55,001.81 and 11,707.91

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Solution

The fourth proportional to 36,668.18, 55,001.81 and 11,707.91 is: 17,561.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,668.18 : 55,001.81 = 11,707.91 : x
  2. Step 2: Convert to fraction form
    36,668.18/55,001.81 = 11,707.91/x
  3. Step 3: Cross multiply
    36,668.18x = 55,001.81 × 11,707.91
  4. Step 4: Simplify right side
    36,668.18x = 643,956,334.92
  5. Step 5: Solve for x
    x = 643,956,334.92/36,668.18
  6. Step 6: Final answer
    x = 17,561.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.